X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_create.c;h=adef510c5298c810d09b14e8666cd0359ae8c2d3;hb=4717bfec708d264111f70f37850ffc09238c4bd5;hp=d1eea0cead731d4523d0c09fc114ae91bd27f006;hpb=6232b96f5153d0b718054a8bc569fcd7d596bab2;p=musl diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c index d1eea0ce..adef510c 100644 --- a/src/thread/pthread_create.c +++ b/src/thread/pthread_create.c @@ -1,10 +1,11 @@ #include "pthread_impl.h" +#include "stdio_impl.h" static void dummy_0() { } -weak_alias(dummy_0, __rsyscall_lock); -weak_alias(dummy_0, __rsyscall_unlock); +weak_alias(dummy_0, __synccall_lock); +weak_alias(dummy_0, __synccall_unlock); weak_alias(dummy_0, __pthread_tsd_run_dtors); #ifdef __pthread_unwind_next @@ -22,12 +23,14 @@ void __pthread_unwind_next(struct __ptcb *cb) longjmp((void *)cb->__next->__jb, 1); } - __lock(&self->exitlock); - __pthread_tsd_run_dtors(); + __lock(&self->exitlock); + /* Mark this thread dead before decrementing count */ + __lock(&self->killlock); self->dead = 1; + a_store(&self->killlock, 0); do n = libc.threads_minus_1; while (n && a_cas(&libc.threads_minus_1, n, n-1)!=n); @@ -58,6 +61,16 @@ int __uniclone(void *, int (*)(), void *); static const size_t dummy = 0; weak_alias(dummy, __pthread_tsd_size); +static FILE *const dummy_file = 0; +weak_alias(dummy_file, __stdin_used); +weak_alias(dummy_file, __stdout_used); +weak_alias(dummy_file, __stderr_used); + +static void init_file_lock(FILE *f) +{ + if (f && f->lock<0) f->lock = 0; +} + int pthread_create(pthread_t *res, const pthread_attr_t *attr, void *(*entry)(void *), void *arg) { int ret; @@ -68,6 +81,11 @@ int pthread_create(pthread_t *res, const pthread_attr_t *attr, void *(*entry)(vo if (!self) return ENOSYS; if (!libc.threaded) { + for (FILE *f=libc.ofl_head; f; f=f->next) + init_file_lock(f); + init_file_lock(__stdin_used); + init_file_lock(__stdout_used); + init_file_lock(__stderr_used); __syscall(SYS_rt_sigprocmask, SIG_UNBLOCK, SIGPT_SET, 0, 8); libc.threaded = 1; } @@ -97,12 +115,12 @@ int pthread_create(pthread_t *res, const pthread_attr_t *attr, void *(*entry)(vo new->tlsdesc[1] = (uintptr_t)new; stack = (void *)((uintptr_t)new-1 & ~(uintptr_t)15); - __rsyscall_lock(); + __synccall_lock(); a_inc(&libc.threads_minus_1); ret = __uniclone(stack, start, new); - __rsyscall_unlock(); + __synccall_unlock(); if (ret < 0) { a_dec(&libc.threads_minus_1);